Sony ICD-PX312 / ICD-PX312D / ICD-PX312F / ICD-PX312 M / ICD-PX312M (serv.man2) Service Manual ▷ View online
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
17
17
3-4. PRINTED WIRING BOARD – MAIN Section (2/2) –
•
: Uses unleaded solder.
Note: When IC104, IC301 andIC902 on the Main board are damaged, exchange
the new Main board for the Main board which IC damaged.
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
IC104
IC301
IC902
IC903
IC904
ERASE
VOL
A – B
(USB)
M2/micro SD
(HOLD/POWER)
HOLD > . POWER ON/OFF
NOISE CUT
ON T OFF
+
S405
—
PULUG
IN
POWER
i
m
1-883-445-
(11)
11
MAIN BOARD
(SIDE B)
(SIDE B)
R402
R406
R408
R415
R417
R418
R801
R802
R803
CN801
CN801
C402
C403
C404
C405
S401
S403
S405
S413
S414
Q102
L901
FB301
FB302
FB304
FB304
SHORT CHIP:PX312/PX312D/PX312M
FERRITE:PX312F
FERRITE:PX312F
R107
R108
R109
R304
R110
R305
R112
R113
R308
R1
14
R309
R314
R315
R317
R123
R318
R701
R319
R125
R703
R704
R705
R706
R707
R708
R320
R709
R321
R324
R325
VDR143
R710
VDR145
R711
R712
R713
R715
R716
CN701
CN701
R335
R336
C107
R914
R915
C109
R916
C303
C304
C110
C306
C307
C1
13
C308
R922
C117
C311
C312
C313
C120
C314
C121
C315
C122
C316
C317
C124
C701
C125
C319
C126
C127
C704
C129
C320
C322
C130
C131
C325
C326
C903
C134
R941
C138
C908
C909
CL603
CL604
PX312F
C910
C140
C911
C912
C915
C922
C929
R967
C931
D304
Q401
D305
D903
S941
S941
J301
J301
J302
J302
VDR401
VDR402
4
1
2
3
4
1
2
3
1
9
10
18
19
27
28
36
1
32
33
64
65
96
97
128
1
5
6
10
1
2
3
4
S401
S413
S405
S403
S414
1
5
1 2 3 4 5 6 7
8
9 10 11
12 13 14 15 16 17 18 19
(20)(21)
1
2 3
4
1
2
3
1
2
3
4
5
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
18
18
10
2
4
5
12
11
7
6
8
3
9
1
13
E
I
A
C
H
B
F
D
G
J
14
15
BOARD
(3/6)
9
MAIN
BOARD
(5/6)
13
MAIN
BOARD
(5/6)
16
MAIN BOARD (3/6)
4
MAIN BOARD (4/6)
2
BOARD
(6/6)
17
MAIN
5
MAIN
1
2
MAIN
BOARD
(6/6)
11
MAIN
(5/6)
BOARD
MAIN BOARD (2/6)
1
BOARD
(6/6)
18
MAIN
BOARD
(5/6)
12
MAIN
10
MAIN
BOARD
(5/6)
MAIN
14
BOARD
(6/6)
MAIN
15
BOARD
(6/6)
8
MAIN
BOARD
(3/6)
IC B/D
IC B/D
IC B/D
3.1
1
3.1
1
3.1
0
3
2.8
3.1
3
2.8
3.1
0.1
0.5
0.5
1
1
1
3.1
0
3.1
0
3.1
0.1
0.1
0.1
0.1
1
3.1
0
1.6
0
3.1
1
0.4
0.5
1
3.1
1
1
3.1
0
3.1
3.1
0
1.7
3.1
1.6
1.2
0.8
3.1
3.1
0
1
3
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
1
1
1
1
3.1
1
3.1
1.5
3.1
3.1
3.1
3.1
3.1
3.1
3
0
3
3
0
3.1
3.1
3
0
0
0
0
3.1
0
0
0
1
0
0.1
3.1
3.1
3.1
3.1
3.1
0
3.1
1.6
1.6
1
0.5
0.5
3.1
3.1
3.1
1
1
IC104
IC101
IC102
IC103
MAIN BOARD (1/6)
C134
0.1u
C139
0.1u
C137
0.1u
C127
0.1u
C104
1u
C105
0.01u
C124
0.1u
C146
0.1u
C135
8p
C136
8p
C131
0.1u
C128
0.1u
C109
0.1u
C147
0.1u
C140
0.1u
C138
0.1u
C130
0.1u
C126
0.1u
C125
0.1u
C118
0.1u
C114
0.1u
C113
0.1u
BATT_AD
KEY1_AD
VDD_REGCORE
VDD_REGIO31
KEY0_AD
HP_XDET
CARD_XDET
KEY_XHOLD
KEY_POFF_XDET
KEY_WAKE
VBUS_XDET
VDD_REGIO31
PCM_ADDT
CARD_SDXMS
VDD_REGIO31
AU_PWR_CTL
SPI0_MOSI
LCD_XCS
LCD_A0
I2C_SCL
AU_TU_XRST
SPI0_SCLK
PCM_MCLK
PCM_BCK
PCM_LRCK
PCM_DADT
SD0_CKO
SD0_CMD
PWR_ON
SD1_CKO
32K_CLK
SD1_CMD
SD_PWR_CTL
DGND
SD1_DATA3
SD1_DATA2
SD1_DATA1
SD0_DATA0
SD0_DATA3
SD0_DATA2
SD0_DATA1
I2C_SDA
SD1_DATA0
EXTMIC_XDET
KEY_XNR
C110
0.1u
RTC_XINT
IC104
LC823425-12G-H
SYSTEM CONTROL
1
BMODE0
2
BMODE1
3
EXTFIQ/GPIO2A
4
Vss
5
EXTINT00/GPIO2B
6
EXTINT01/GPIO2C
7
EXTINT02/GPIO2D
8
EXTINT03/GPIO2E
9
EXTINT04/GPIO2F
10
Vdd2
11
Vss
12
SDCD1/GPIO20
13
SDWP1/INS/GPIO21
14
SDCMD1/BS/GPIO23
15
SDAT10/DATA0/GPIO24
16
SDAT11/DATA1/GPIO25
17
VddSD1
18
SDAT12/DATA2/GPIO26
19
SDAT13/DATA3/GPIO27
20
SDCLK1/SCLK/GPIO22
21
Vss
22
Vdd1
23
SDCLK0
24
SDCMD0
25
SDAT00
26
SDAT01
27
VddSD0
28
SDAT02
29
SDAT03
30
SDCD0/GPIO29
31
SDWP0/GPIO28
32
Vss
33
AVddUSBPHY1
34
AVssUSBPHY
35
AVssUSBPHY
36
USBDDM
37
USBDDP
38
AVddUSBPHY2
39
AVssUSBPHY
40
AVssUSBPHY
41
USBDEXT12
42
AVddUSBPHY2
43
AVddUSBPHY1
44
AVssUSBPHY
45
VddXT1
46
XOUT1
47
VssXT1
48
XIN1
49
AVddPLL1
50
VCNT1
51
AVssPLL1
52
Vdd2
53
TCLKA/GPIO00/MPMCADDR11/EXTINT10
54
TCLKB/GPIO01/MPMCADDR12/EXTINT11
55
PHI/GPIO06/EXTINT16
56
RTCK
57
TDO
58
Vss
59
NTRST
60
Vdd1
61
NRES
62
TDI
63
TMS
64
TCK
65
Vss
66
Vdd2
67
VddRTC
68
XIN32K
69
VssRTC
70
XOUT32K
71
VDET
72
RTCINT
BACKUPB
73
Vdd1
74
Vss
75
Vdd2
76
TEST
77
BMODE2
78
SCL/GPIO07/EXTINT17
79
Vss
80
SDA/GPIO08/EXTINT18
81
MCLK/GPIO18
82
BCK/GPIO19
83
Vss
84
Vdd2
85
LRCK/GPIO1A
86
DIN/GPIO1B
87
DOUT/GPIO1C
88
TIOCA0/GPIO09/EXTINT19
89
TIOCA1/GPIO0A/EXTINT1A
90
Vdd2
91
Vss
92
TXD1/GPIO04/EXTINT14
93
RXD1/GPIO05/EXTINT15
94
Vdd1
95
96
97
SCK0/GPIO1D
98
SDI0/GPIO1E
99
Vss
100
SDO0/GPIO1F
101
SCK1/GPIO0D/EXTINT1D
102
SDI1/GPIO0E/EXTINT1E
103
SDO1/GPIO0F/EXTINT1F
104
TXD2/GPIO0B/EXTINT1B
105
RXD2/GPIO0C/EXTINT1C
106
Vdd2
107
Vss
108
109
109
AVssDAMPR
110
ROUT
111
AVddDAMPR
112
AVddDAMPL
113
LOUT
114
AVssDAMPL
115
AVssPLL2
116
VCNT2
117
AVddPLL2
118
Vss
119
Vdd1
120
AVddADC
121
AN5
122
AN4
123
AN3
124
AN2
125
AN1
126
AN0
127
AVssADC
128
Vdd2
C120
22p
C121
22p
C122
0.1u
C107
0.1u
CL105
CL106
CL107
CL106
CL107
CL108
CL109
CL110
CL110
C103
0.1u
DGND
VDD_REGRTC
C106
0.0022u
C101
0.1u
VDD_REGIO31
PST8208UL
IC102
RESET
1 Vout
2 Vin
2 Vin
NC
3
Vss
4
C102
0.1u
IC101
RESET
1 Vss
2 Vdd
2 Vdd
Cd
3
Vout
4
DGND
CL101
CL102
CL104
CL111
C129
0.01u
CPU_XRST
C117
0.01u
R114
12k
0.5%
R801
1M
R106
10k
R104
220k
R112
0
R105
0
R103
470k
R803
0
R110
100
R120
100
R117
100
R113
4.7M
R119
470
R802
0
R109
220
R101
220
R121
2200
X101
32.768kHz
D102
SML-D12V8WT86SN
D101
SML-D12M8WT86SM
(OPERATION)
CN801
5P
1
VBUS
2
D-
3
D+
4
ID
5
GND
VDD_VBUS
X102
48MHz
HP_MUTE
R111
470
CL103
R116
1M
R115
0
R108
220
R107
220
CL801
CL802
R125
470k
Q102
LSK3541FS8T2L
Q101
LSK3541FS8T2L
LED CONTROL
R123
1M
R122
1M
C148
0.01u
PST8308UL
IC103
VOLTAGE DETECT
1
GND
2
VIN
CD
3
OUT
4
C149
10u
CL112
VDR145
VDR143
PWR_ON
DGND
TIOCB1
/GPIO03
/DMDIN
/EXTINT13
TIOCB0 /GPIO02 /DMCK0
/EXTINT12
PST8428UL
S
S
CN801
(USB)
Q101,102
D101,102
3-5. SCHEMATIC DIAGRAM – MAIN Section (1/6) –
• See page 15 for Waveforms. See page 24 for IC Block Diagrams. • See page 29 for IC Pin Function Description of IC104.
(Page 22)
(Page 23)
(Page 22)
(Page 23)
(Page 20)
(Page 22)
(Page 23)(Page 22)
(Page 21)
(Page 19)
(Page 23)
(Page 23)
(Page 22)
(Page 20)
(Page 20)
Note: When IC104 on the Main board are damaged, exchange the new
Main board for the Main board which IC damaged.
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
19
19
10
2
4
5
7
6
8
3
9
1
E
A
C
B
F
D
G
BOARD
(1/6)
1
MAIN
3.1
3.1
(2/6)
MAIN BOARD
IC204
SD0_DATA0
SD0_DATA2
SD0_DATA1
SD0_DATA3
SD0_CKO
SD0_CMD
SD0_DATA0
SD0_DATA1
SD0_DATA2
SD0_DATA3
SD0_CMD
SD0_CKO
SD0_DATA1
SD0_DATA2
SD0_DATA0
SD0_DATA3
SD0_CMD
SD0_CKO
C202
0.1u
C203
0.1u
C207
0.1u
DGND
C201
0.1u
VDD_REGIO31
R205
100
R206
100
R210
47k
R203
100
R209
47k
R202
100
R201
100
R208
47k
R204
100
R207
47k
C208
1u
R212
0
PWR_ON
R211
10k
IC204
KLM2G1DEHE-B101T
FLASH MEMORY
M6
CLK
M5
CMD
A3
DAT0
A4
DAT1
A5
DAT2
B2
DAT3
B3
DAT4
B4
DAT5
B5
DAT6
B6
DAT7
C6
VDD
P3
VDD
P5
VDD
M4
VDD
N4
VDD
J10
VDDF
K9
VDDF
E6
VDDF
F5
VDDF
C2
VDDI
H10
Vss
K8
Vss
E7
Vss
P6
Vss
G5
Vss
N5
Vss
C4
Vss
P4
Vss
N2
Vss
A1
NC
A2
NC
A6
NC
A7
NC
A8
NC
A9
NC
A10
NC
A11
NC
A12
NC
A13
NC
A14
NC
B1
NC
B7
NC
B8
NC
B9
NC
B10
NC
B11
NC
B12
NC
B13
NC
B14
NC
C1
NC
C3
NC
C5
NC
C7
NC
C8
NC
C9
NC
C10
NC
C11
NC
C12
NC
C13
NC
C14
NC
D1
NC
D2
NC
D3
NC
D4
NC
D12
NC
D13
NC
D14
NC
E1
NC
E2
NC
E3
NC
E5
NC
E8
NC
E9
NC
E10
NC
E12
NC
E13
NC
E14
NC
F1
NC
F2
NC
F3
NC
F10
NC
F12
NC
F13
NC
F14
NC
G1
NC
G2
NC
G3
NC
G10
NC
G12
NC
G13
NC
G14
NC
H1
NC
H2
NC
H3
NC
H5
NC
H12
NC
H13
NC
H14
NC
J1
NC
J2
NC
J3
NC
J5
NC
J12
NC
J13
NC
J14
NC
K1
NC
K2
NC
K3
NC
K5
NC
K6
NC
K7
NC
K10
NC
K12
NC
K13
NC
K14
NC
L1
NC
L2
NC
L3
NC
L12
NC
L13
NC
L14
NC
M1
NC
M2
NC
M3
NC
M7
NC
M8
NC
M9
NC
M10
NC
M11
NC
M12
NC
M13
NC
M14
NC
N1
NC
N3
NC
N6
NC
N7
NC
N8
NC
N9
NC
N10
NC
N11
NC
N12
NC
N13
NC
N14
NC
P1
NC
P2
NC
P7
NC
P8
NC
P9
NC
P10
NC
P11
NC
P12
NC
P13
NC
P14
NC
CSP
(CHIP SIZE PACKAGE)
3-6. SCHEMATIC DIAGRAM – MAIN Section (2/6) –
Note: When IC204 on the Main board are damaged, exchange the
new Main board for the Main board which IC damaged.
(Page 18)
ICD-PX312/PX312D/PX312F/PX312M
ICD-PX312/PX312D/PX312F/PX312M
20
20
10
2
4
5
12
11
7
6
8
3
9
1
13
E
I
A
C
H
B
F
D
G
J
14
8
MAIN
BOARD
(1/6)
7
MAIN
BOARD
(6/6)
(6/6)
6
BOARD
MAIN
(1/6)
5
BOARD
MAIN
4
MAIN
BOARD
(1/6)
IC B/D
3.1
3.1
0
2.9
2.9
2.9
3.1
3
3.1
0
3.1
1.2
1.7
0.1
0.1
1.8
0
0
0
0
0
2.9
2.5
1.2
1.2
0.1
1.2
0.1
0
2.3
1.2
2.9
3.1
0
0.8
1.6
PX312F
PX312F
PX312F
PX312
/PX312D
/PX312M
PX312F
(3/6)
MAIN BOARD
IC601
IC301
C304
0.001u
D305
EDZFJ-TE61-3.6B
D304
EDZFJ-TE61-3.6B
C303
0.001u
CL301
HP_XDET
C327
0.1u
EXTMIC_XDET
C326
0.22u
C301
0.1u
C302
0.001u
C325
0.22u
CL304
CL305
C307
1u
C306
1u
VDD_REGIO31
J301
J302
1
2
3
4
PCM_MCLK
C320 0.1u
C312
2.2u
VDD_SP
IC301
AK4953AEN-L
DIGITAL AUDIO CODEC,AMP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
C311
2.2u
DGND
C317
0.22u
PCM_ADDT
PCM_LRCK
C314
2.2u
C322
0.1u
CL303
PCM_BCK
I2C_SDA
C318
2.2u
C319
0.1u
AU_TU_XRST
C316
0.22u
PCM_DADT
C313
1u
CL307
CL306
C309
1u
C308
1u
FB303
FB301
FB302
CL302
R333
0
R308
4700
R305
0
R319
2200
R321
2200
R314
100
R325
2.2
R315
100
R301
2200
R302
10k
R324
2.2
R332
10k
R318
2.2
R304
0
R328
470k
R309
4700
R317
2.2
R329
470k
VDD_REGADA18
R320
220
FB304
R335
0
R336
0
I2C_SCL
C315
0.022u
D601
JDP2S02AFS, L3SOF(T
C604
220p
32K_CLK
C601
10u
L602
270nH
VDD_REGADA31
C605
0.1u
L601
2.2uH
VDD_REGANA29
C606
0.1u
C603
0.001u
C602
0.001u
IC601
SI4708-B-GMR
BROADCAST FM RADIO
TUNER FRONT END
1
NC
2
FMI
3
RFGND
4
RST
5
SEN
6
SCLK
7
SDIO
8
VIO
10
VD
11
GND
12
ROUT
13
LOUT
14
VA
15
GPO
16
NC
9
RCLK
CL601
CL603
CL604
R604
0
R603
0
R601
2200
CL602
R602
0
FB304
0
AVDD
VSS1
VCOM
REGFIL
LIN3
RIN3
LIN2
RIN2
MPWR2
VSS3
SPP
CCLK/SCL
CDTIO/CAD0
SDTI
LRCK
BICK
VSS2
MCKI
MCKO
CN
SPN
CP
HPL
DVDD
MPWR1
HPR
LIN1/DMDAT
PVEE
RIN/MCLK
PDN
CSN/SDA
VSS4
SDTO
I2C
TVDD
SVDD
MI101
(MIC)
(MIC)
4
2
1
3
SP101
(SPEAKER)
PLUG IN POWER
m
3-7. SCHEMATIC DIAGRAM – MAIN Section (3/6) –
• See page 24 for IC Block Diagrams. • See page 32 for IC Pin Function Description of IC301.
Note: When IC301 and IC601 on the Main board are damaged, exchange
the new Main board for the Main board which IC damaged.
(Page 18)
(Page 23)
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Click on the first or last page to see other ICD-PX312 / ICD-PX312D / ICD-PX312F / ICD-PX312 M / ICD-PX312M (serv.man2) service manuals if exist.